Electric to clip rubber lined butterfly valve
Manual clamping type rubber valve -- our company developed the soft sealing line clip on butterfly valve, double eccentric flanged butterfly valve has the advantages of compact structure, 90 degree rotary switch easy, reliable sealing, long service life, widely used in waterworks, power plants, steel mills, papermaking, chemical, food and other systems for drainage, as the regulation and stop using
Sealing ring material code | Applicable temperature | Applicable medium |
NR | ≤85℃ | Water, air, acid and alkali |
CR | ≤85℃ | Water, gas, acid and alkali |
NBR | ≤100℃ | Water and oil products |
CPDM | ≤120℃ | Water, steam, general acid-base class |
FKM | ≤150℃ | Water, steam, strong acid and alkali |
valve body | Cast iron, nodular cast iron, carbon steel, stainless steel |
Disc | Cast iron, ductile iron, carbon steel, stainless steel, carbon steel fully covered by rubber or fluorine plastic |
The stem | Carbon steel, nickel, phosphorus, stainless steel |
Valve seat sealing ring | NR of natural rubber, chloroprene rubber, nitrile rubber, CR NBR three yuan EPDM ethylene propylene rubber and fluorine rubber FKM |
Pneumatic device | Assembly part |
No Information
Nominal diameter DN | Nominal pressure MPa | Working pressure MPa | L mm | D mm | D1 mm | n-Φd | H1 mm | H2 mm | Pneumatic device | quality |
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| Model | A mm | B mm | H3 mm | Do mm |
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40 | 1.0 | 1.0 | 33 | 150 | 110 | 4-18 | 55 | 100 | QB1-5-1 | 418 | 308 | 249 | - | 22 |
50 |
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| 43 | 165 | 125 | 4-18 | 64 | 120 | QB1-5-1 | 418 | 308 | 249 | - | 24 |
65 |
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| 46 | 185 | 145 | 4-18 | 80 | 120 | QB1-5-1 | 418 | 308 | 249 | - | 26 |
80 |
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| 46 | 200 | 160 | 8-18 | 112 | 130 | QB1-10-1 | 418 | 308 | 249 | - | 27 |
100 |
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| 52 | 20 | 180 | 8-18 | 90 | 145 | QB1-15-1 | 418 | 308 | 249 | - | 28 |
125 |
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| 56 | 250 | 210 | 8-18 | 112 | 160 | QB1-20-1 | 418 | 308 | 249 | - | 33 |
150 |
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| 56 | 285 | 240 | 8-22 | 135 | 175 | QB1-20-1 | 418 | 308 | 249 | - | 34 |
200 |
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| 60 | 340 | 295 | 8-22 | 160 | 210 | QB2-40-1 | 418 | 308 | 339 | - | 57 |
250 |
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| 68 | 395 | 350 | 12-22 | 206 | 235 | QB2-60-1 | 418 | 308 | 339 | - | 72 |
300 |
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| 78 | 445 | 400 | 12-22 | 232 | 273 | QB3-90-1 | 585 | 275 | 340 | 305 | 1142 |
350 |
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| 78 | 505 | 465 | 1-22 | 263 | 310 | QB3-120-1 | 585 | 275 | 340 | 305 | 125.5 |
400 |
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| 102 | 565 | 515 | 16-26 | 295 | 340 | QB3-200-1 | 585 | 275 | 340 | 305 | 170.5 |
450 |
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| 114 | 615 | 565 | 20-26 | 327 | 370 | QB3-250-1 | 585 | 275 | 340 | 305 | 200 |
500 |
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| 127 | 670 | 620 | 20-26 | 358 | 399 | QB4-400-0.5 | 729 | 355 | 372 | 457 | 238 |
550 |
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| 140 | 730 | 675 | 20-30 | 384 | 430 | QB4-400-0.5 | 729 | 355 | 372 | 457 | 271 |
600 |
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| 156 | 780 | 725 | 20-320 | 474 | 460 | QB4-500-0.5 | 729 | 355 | 372 | 457 | 339 |
700 |
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| 165 | 895 | 840 | 24-30 | 486 | 610 | QB5-800.-0.25 | 910 | 395 | 429 | 457 | 515 |
800 |
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| 190 | 1015 | 950 | 247-33 | 591 | 672 | QB5-1200-0.25 | 910 | 395 | 429 | 457 | 655 |
900 |
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| 203 | 1115 | 1050 | 28-33 | 640 | 735 | QC1500-0.4 | 783 | 448 | 585 | 400 | 920 |
1000 |
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| 216 | 1230 | 1600 | 28-36 | 721 | 800 | HQ2500-0.25 | 783 | 448 | 650 | 400 | 1100 |